THHN / THWN-2 Copper Electric Wire

Application

Low voltage electrical energy distribution; for use in electrical wiring of buildings, feeder circuits, branches and secondary industrial, commercial and residential indoor networks. Special for installations in abrasive sites or sites contaminated with oil, grease, gasoline, and other chemical substances.

They are suitable for installation in ducts, pipes, boards, and cable trays according to RETIE article 20.3 literal J, from 12 AWG gauge and larger.

THHN

Thermoplastic PVC-insulated building wire, Nylon sheath, 90°C, 600 V, for dry and damp locations.

THWN

Thermoplastic PVC-insulated building wire, Heat resistant 75°C, for Wet and dry locations, flame retardant.

Construction

Conducteur

Soft copper conductor, concentric stranded, Class B.

Isolation

Polyvinyl chloride (Chlorure de polyvinyle), flame retardant (FR), resistant to heat, abrasion and humidity, resistant to sunlight (SR) in black, free of hazardous substances (RoHS).

Veste

External cover in polyamide (nylon), resistant to gasoline and oils (GR II).

Applicable Standards

ASTM B 3； ASTM B 8； NTC 1332； NTC 307； NTC 359； UL 83

Operating Temperature

90°C dry and wet places.

Operating Voltage

600V

Identification

Insulation in colors according to the manufacturing standard.

Ampacity Conditions

Current capacity for 90°C conductor temperature, 30°C ambient temperature. No more than three current-carrying conductors in a conduit or raceway.

Taille (AWG or kcmi)	Cross section mm²	Cond. make-up n*wire Ø	Outer Ø app. mm	Cop. weight kg/km	Weight app. kg/km
14	2.08	19*0.38	3	20.7	25
12	3.32	19*0.48	3.4	33	37
10	5.26	19*06	4.3	51.6	60
8	8.35	19*075	5.5	80.6	95
6	13.39	19*0.96	6.6	125	143
4	21.14	19*1.19	8.4	201	229
3	26.65	19*1.336	9.1	253	282
2	33.61	19*1.5	10	317	349
1	42.38	19*1.686	11.4	399	449
1/0	53.47	19*1.89	12.4	500	557
2/0	67.4	19*2.126	13.7	631	691
3/0	84.97	19*2.387	15	792	861
4/0	107.17	19*2.68	16.5	996	1069
250	127	37*2.088	17.6	1178	1277
300	152	37*2.286	19	1410	1515
350	178	37*2.47	20.2	1645	1753
400	203	37*2.7	21.4	1902	1998
500	254	37*2.95	23.73	2345	2466
600	304	61*2.52	26	2920	3000
750	380	61*2.82	28.6	3658	3713
1000	507	61*3.25	32.4	4858	4870